Table T10. Chemical analyses of basalts, Hole 1179D.

Core-section:
11R-1
11R-2
12R-2
12R-4
12R-4
13R-3
13R-4
14R-1
14R-2
17R-1
17R-1
17R-2
18R-1
18R-4
19R-2
20R-1
20R-3
21R-4
22R-3
22R-4
22R-4
Interval (cm):
86-88
84-86
69-71
2-4
86-88
11-13
83-85
18-20
63-65
40-42
111-113
11-13
25-28
87-90
121-124
72-75
64-67
112-115
88-91
72-75
120-123
Depth (mbsf):
377.96
378.30
388.89
390.73
391.57
393.47
395.6
396.58
398.53
419.2
419.92
420.21
425.55
430.34
437.3
445.32
447.49
459.33
467.56
468.82
469.3
Major oxides (wt%)


















SiO2 49.84 49.45 48.16 48.19 48.55 48.49 48.70 49.71 48.49 47.67 48.82 48.27 51.43 50.07 49.20 47.21 47.47 46.74 47.42 48.32 47.71
TiO2 1.34 1.38 1.23 1.24 1.24 1.34 1.37 1.37 1.32 1.46 1.85 1.90 1.99 1.72 1.70 1.60 1.58 1.56 1.63 1.67 1.62
Al2O3 15.11 15.39 14.21 14.58 14.55 14.20 14.45 14.63 14.55 15.83 13.70 14.03 14.71 14.63 14.43 16.38 16.37 15.48 16.21 16.83 15.91
Fe2O3* 8.79 10.42 11.62 11.09 10.85 12.94 10.52 9.98 10.10 11.62 13.75 14.20 8.21 10.20 9.76 9.55 10.74 10.81 9.80 9.30 10.41
MnO 0.15 0.15 0.18 0.19 0.19 0.17 0.17 0.16 0.16 0.14 0.23 0.21 0.14 0.18 0.21 0.20 0.21 0.20 0.17 0.28 0.17
MgO 8.31 7.35 6.77 6.52 7.39 6.59 7.23 7.39 6.99 5.17 6.27 5.99 7.55 7.14 7.59 6.16 6.13 7.26 6.31 6.57 6.87
CaO 11.77 11.18 12.82 12.87 12.22 10.96 12.01 11.70 12.45 11.52 10.42 10.03 10.78 11.39 11.24 12.56 12.69 11.74 12.40 12.48 11.34
Na2O 2.40 2.57 2.08 2.09 2.07 2.41 2.48 2.42 2.43 2.37 2.52 2.61 2.88 2.51 2.48 2.55 2.53 2.44 2.55 2.64 2.53
K2O 0.17 0.42 0.54 0.48 0.35 0.95 0.62 0.61 0.48 0.77 0.73 0.70 0.47 0.34 0.22 0.20 0.22 0.25 0.25 0.06 0.53
P2O5 0.10 0.11 0.11 0.11 0.09 0.11 0.13 0.11 0.12 0.17 0.14 0.17 0.16 0.15 0.13 0.15 0.15 0.14 0.16 0.16 0.17
LOI 0.68 1.79 1.63 2.31 1.89 2.37 1.87 1.48 2.83 1.86 2.45 0.86 2.27 0.79 1.92 3.62 1.51 4.18 3.73 0.90 1.91
Total 98.67 100.20 99.34 99.68 99.40 100.53 99.55 99.55 99.92 98.58 100.87 98.97 100.59 99.12 98.88 100.20 99.59 100.78 100.62 99.22 99.16
FeO†/MgO 0.95 1.28 1.55 1.53 1.32 1.77 1.31 1.22 1.30 2.03 1.97 2.14 0.98 1.29 1.16 1.40 1.58 1.34 1.40 1.28 1.37
Trace elements (ppm)


















Sc 47 49 45 44 44 47 49 49 46 44 50 50 50 51 48 42 42 39 41 42 42
V 366 358 338 348 336 356 326 325 352 324 433 457 326 377 380 324 315 307 314 323 318
Cr 283 279 310 318 314 212 227 219 236 318 100 105 107 161 169 343 333 354 360 355 342
Ni 93 87 73 86 89 67 76 80 91 57 51 51 72 66 80 152 111 141 157 173 144
Cu 99 116 92 87 104 58 59 52 55 66 83 71 35 54 183 94 123 49 130 84 88
Zn 108 89 87 88 88 102 87 86 83 82 112 122 67 106 107 90 99 83 90 88 99
Ga 17 17 17 15 16 17 18 18 17 18 18 20 19 19 17 17 18 15 18 18 18
Rb 1.5 8.7 12 12 20 24 15 15 18 16 18 15 6.7 6.9 24 6.7 5.1 6.4 6.8 2.5 11
Sr 96 102 86 84 81 95 102 95 97 150 99 103 106 98 93 167 164 166 177 181 165
Y 34 29 32 32 25 32 32 27 33 38 44 46 48 44 31 32 32 29 33 32 34
Zr 67 72 64 62 63 74 76 73 71 90 107 108 113 95 88 106 99 105 110 112 108
Nb 3.3 2.5 2.2 2.4 2.0 2.8 3.3 3.0 3.0 4.5 2.9 1.6 3.8 4.1 3.7 3.4 4.5 3.7 5.4 5.5 4.8
Cs 3.4 3.9 <1.0 3.3 3.4 2.3 <1.0 <1.0 5.1 <1.0 <1.0 1.5 <1.0 2.2 3.6 1.4 3.3 <1.0 <1.0 <1.0 2.5
Ba 17 21 24 17 18 36 36 29 30 37 29 32 38 20 18 35 25 32 37 38 55
La 2.8 2.6 3.3 2.6 1.7 3.6 2.8 2.3 3.1 5.2 3.2 3.6 3.7 4.4 3.5 4.5 3.7 5.2 4.8 4.7 3.2
Ce 6.8 7.3 7.4 7.4 4.6 8.9 8.0 6.6 7.6 12.8 10.1 11.5 10.9 10.7 8.5 10.4 11.4 12.1 13.0 11.7 11.0
Nd 7.9 7.9 7.5 6.5 6.4 8.0 8.0 7.5 7.6 9.6 10.7 11.7 11.9 10.6 9.1 10.1 9.4 10.3 11.4 9.7 11.4
Sm 3.0 2.8 2.1 2.5 2.4 2.3 2.8 3.5 3.1 3.1 4.2 5.3 4.3 4.2 3.7 4.4 4.2 3.8 2.7 5.2 3.7
Gd 4.5 3.4 2.8 4.1 3.9 3.2 4.7 3.2 3.3 3.9 5.1 5.1 5.5 4.1 5.1 4.3 4.3 4.5 3.9 4.6 4.5
Dy 4.8 5.0 6.0 5.6 4.5 5.6 5.5 4.5 5.3 6.7 6.1 7.0 5.9 7.2 6.8 5.9 5.7 3.1 6.3 4.8 5.1
Er 3.2 3.0 2.9 3.2 2.6 3.3 3.4 3.0 3.0 3.1 3.2 4.1 4.4 4.3 4.2 2.9 2.8 2.1 3.0 2.5 3.3
Yb 3.7 3.5 3.6 3.6 4.4 4.8 3.8 3.9 5.0 3.4 5.5 4.5 5.6 4.8 6.3 4.2 3.9 4.5 4.8 3.5 3.5
Hf 1.7 1.6 1.2 1.1 1.6 2.0 1.4 1.7 1.5 1.8 2.1 2.0 2.6 2.2 1.8 2.6 2.3 1.9 2.3 1.7 2.1
Pb <0.5 <0.5 1.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.0 0.9 <0.5 0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.8 <0.5
Th <1.0 3.4 1.2 <1.0 <1.0 2.7 4.5 2.7 <1.0 3.6 2.7 4.7 3.6 <0.5 <0.5 5.6 <0.5 2.0 5.0 6.2 3.1

Notes: * = total Fe as Fe2O3. † = total Fe as FeO. LOI = loss on ignition (at 1025°C). This table is also available in ASCII format.